@extends('layouts.app')

@section('title', $product->title)

@section('content')
<div class="row">
    <div class="col-lg-10 offset-lg-1">
        <div class="card">
            <div class="card-body product-info">
                <div class="row">
                    <div class="col-5">
                        <img class="cover" src="{{ $product->image_url }}" alt="">
                    </div>
                    <div class="col-7">
                        <div class="title">{{ $product->title }}</div>

                        <!-- 众筹商品模块开始 -->
                        @if ($product->type === \App\Models\Product::TYPE_CROWDFUNDING)
                        <div class="crowdfunding-info">
                            <div class="have-text">
                                已筹到
                            </div>
                            <div class="total-amount"><span
                                    class="symbol">￥</span>{{ $product->crowdfunding->total_amount }}</div>
                            <!-- 这里使用了 Bootstrap 的进度条组件 -->
                            <div class="progress">
                                <div class="progress-bar progress-bar-success progress-bar-striped" role="progressbar"
                                    aria-valuenow="{{ $product->crowdfunding->percent }}" aria-valuemin="0"
                                    aria-valuemax="100"
                                    style="min-width: 1em; width: {{ min($product->crowdfunding->percent, 100) }}%">
                                </div>
                            </div>
                            <div class="progress-info">
                                <span class="current-progress"> 当前进度： {{ $product->crowdfunding->percent }}</span>
                                <span class="float-right user-count">{{ $product->crowdfunding->user_count }}
                                    名支持者</span>
                            </div>

                            <!-- 如果众筹状态是众筹中，则输出提示语 -->
                            @if ($product->crowdfunding->status === \App\Models\CrowdfundingProduct::STATUS_FUNDING)
                            <div>
                                此项目必须在
                                <span
                                    class="text-red">{{ $product->crowdfunding->end_at->format('Y-m-d H:i:s') }}</span>
                                前得到
                                <span class="text-red">￥{{ $product->crowdfunding->target_amount }}</span>
                                的支持才可成功，
                                筹款将在<span
                                    class="text-red">{{ $product->crowdfunding->end_at->diffForHumans(now()) }}</span>结束！
                            </div>
                            @endif
                        </div>

                        @else

                        <div class="price"><label>价格</label><em>￥</em><span>{{ $product->price }}</span></div>
                        <div class="sales_and_reviews">
                            <div class="sold_count">累计销量 <span class="count">{{ $product->sold_count }}</span></div>
                            <div class="review_count">累计评价 <span class="count">{{ $product->review_count }}</span></div>
                            <div class="rating" title="评分 {{ $product->rating }}">评分 <span
                                    class="count">{{ str_repeat('★', floor($product->rating)) }}{{ str_repeat('☆', 5 - floor($product->rating)) }}</span>
                            </div>
                        </div>
                        @endif

                        <div class="skus">
                            <label>选择</label>
                            <div class="btn-group btn-group-toggle" data-toggle="buttons">
                                @foreach($product->skus as $sku)
                                <label class="btn sku-btn" title="{{ $sku->description }}"
                                    data-price="{{ $sku->price }}" data-stock="{{ $sku->stock }}" data-toggle="tooltip"
                                    data-placement="bottom">
                                    <input type="radio" name="skus" autocomplete="off" value="{{ $sku->id }}">
                                    {{ $sku->title }}
                                </label>
                                @endforeach
                            </div>
                        </div>
                        <div class="cart_amount"><label>数量</label><input type="text"
                                class="form-control form-control-sm" value="1"><span>件</span><span class="stock"></span>
                        </div>

                        <div class="buttons">
                            @if ($favored)
                            <button class="btn btn-success btn-disfavor">取消收藏</button>
                            @else
                            <button class="btn btn-success btn-favor">❤ 收藏</button>
                            @endif

                            <!-- 众筹商品下单按钮开始 -->
                            @if ($product->type === \App\Models\Product::TYPE_CROWDFUNDING)
                            @if (Auth::check())
                            @if ($product->crowdfunding->status === \App\Models\CrowdfundingProduct::STATUS_FUNDING)
                            <button class="btn btn-primary btn-crowdfunding">参与众筹</button>
                            @else
                            <button class="btn btn-primary disabled">
                                {{ \App\Models\CrowdfundingProduct::$statusMap[$product->crowdfunding->status] }}
                            </button>
                            @endif
                            @else
                            <a href="{{ route('login') }}" class="btn btn-primary">请先登录</a>
                            @endif

                            @else
                            <button class="btn btn-primary btn-add-to-cart">加入购物车</button>
                            @endif
                            <!-- 众筹商品下单按钮结束 -->

                        </div>

                    </div>
                </div>
                <div class="product-detail">
                    <ul class="nav nav-tabs" role="tablist">
                        <li class="nav-item">
                            <a class="nav-link active" href="#product-detail-tab" aria-controls="product-detail-tab"
                                role="tab" data-toggle="tab" aria-selected="true">商品详情</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#product-reviews-tab" aria-controls="product-reviews-tab"
                                role="tab" data-toggle="tab" aria-selected="false">用户评价</a>
                        </li>
                    </ul>
                    <div class="tab-content">
                        <div role="tabpanel" class="tab-pane active" id="product-detail-tab">
                            {!! $product->description !!}
                        </div>
                        <div role="tabpanel" class="tab-pane" id="product-reviews-tab">
                            <table class="table table-bordered table-striped">
                                <thead>
                                    <tr>
                                        <td>用户</td>
                                        <td>商品</td>
                                        <td>评分</td>
                                        <td>评价</td>
                                        <td>时间</td>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($reviews as $review)
                                    <tr>
                                        <td>{{ $review->order->user->name }}</td>
                                        <td>{{ $review->productSku->title }}</td>
                                        <td>{{ str_repeat('★', $review->rating) }}{{ str_repeat('☆', 5 - $review->rating) }}
                                        </td>
                                        <td>{{ $review->review }}</td>
                                        <td>{{ $review->reviewed_at->format('Y-m-d H:i') }}</td>
                                    </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@section('scriptsAfterJs')
<script>
    $(document).ready(function () {
        $('[data-toggle="tooltip"]').tooltip({trigger: 'hover'});
        $('.sku-btn').click(function () {
            $('.product-info .price span').text($(this).data('price'));
            $('.product-info .stock').text('库存：' + $(this).data('stock') + '件');
        });

        // 监听收藏按钮的点击事件
        $('.btn-favor').click(function () {
            // 发起一个 post ajax 请求，请求 url 通过后端的 route() 函数生成。
            axios.post('{{ route('products.favor', ['product' => $product->id]) }}')
                .then(function () { // 请求成功会执行这个回调
                    swal('操作成功', '', 'success')
                    .then(function () {
                        location.reload();
                    });
                }, function(error) { // 请求失败会执行这个回调
                // 如果返回码是 401 代表没登录
                if (error.response && error.response.status === 401) {
                    swal('请先登录', '', 'error');
                } else if (error.response && (error.response.data.msg || error.response.data.message)) {
                    // 其他有 msg 或者 message 字段的情况，将 msg 提示给用户
                    swal(error.response.data.msg ? error.response.data.msg : error.response.data.message, '', 'error');
                }  else {
                    // 其他情况应该是系统挂了
                    swal('系统错误', '', 'error');
                }
                });
        });

        // 取消收藏
        $('.btn-disfavor').click(function () {
            axios.delete('{{ route('products.disfavor', ['product' => $product->id]) }}')
                .then(function () {
                    swal('操作成功', '', 'success')
                .then(function () {
                    location.reload();
                });
            });
        });

        // 加入购物车按钮点击事件
        $('.btn-add-to-cart').click(function () {

            // 请求加入购物车接口
            axios.post('{{ route('cart.add') }}', {
                sku_id: $('label.active input[name=skus]').val(),
                amount: $('.cart_amount input').val(),
            })
            .then(function () { // 请求成功执行此回调
                swal('加入购物车成功', '', 'success')
                .then(function () {
                    location.href = '{{ route('cart.index') }}';
                });
            }, function (error) { // 请求失败执行此回调
                if (error.response.status === 401) {

                    // http 状态码为 401 代表用户未登陆
                    swal('请先登录', '', 'error');

                } else if (error.response.status === 422) {

                    // http 状态码为 422 代表用户输入校验失败
                    var html = '<div>';
                    _.each(error.response.data.errors, function (errors) {
                        _.each(errors, function (error) {
                        html += error+'<br>';
                        })
                    });
                    html += '</div>';
                    swal({content: $(html)[0], icon: 'error'})
                } else {
                    // 其他情况应该是系统挂了
                    swal('系统错误', '', 'error');
                }
            })
        });

        // 参与众筹 按钮点击事件
        $('.btn-crowdfunding').click(function () {
            // 判断是否选中 SKU
            if (!$('label.active input[name=skus]').val()) {
                swal('请选择商品');
                return;
            }

            // 把用户的收货地址以 JSON 的形式放入页面，赋值给 addresses 变量
            var addresses = {!! json_encode(Auth::check() ? Auth::user()->addresses : []) !!};
            // 使用 jQuery 动态创建一个表单
            var $form = $('<form></form>');
            // 表单中添加一个收货地址的下拉框
            $form.append(
                '<div class="form-group row">' + 
                '<label class="col-form-label col-sm-3">选择地址</label>' +
                '<div class="col-sm-9">' +
                '<select class="custom-select" name="address_id"></select>' +
                '</div></div>'
            );

            // 循环每个收货地址
            addresses.forEach(function (address) {
                console.log(address);
                // 把当前收货地址添加到收货地址下拉框选项中
                $form.find('select[name=address_id]')
                .append(
                    "<option value='" + address.id + "'>" +
                    address.full_address + ' ' + address.contact_name + ' ' + address.contact_phone +
                    '</option>'
                );
            });

            // 在表单中添加一个名为 购买数量 的输入框
            $form.append(
                '<div class="form-group row">' +
                '<label class="col-form-label col-sm-3">购买数量</label>' +
                '<div class="col-sm-9"><input class="form-control" name="amount">' +
                '</div></div>'
            );

            // 调用 SweetAlert 弹框
            swal({
                text: '参与众筹',
                content: $form[0],
                buttons: ['取消', '确定']
            }).then(function (ret) {
                // 如果用户没有点确定按钮，则什么也不做
                if (!ret) {
                    return;
                }

                // 构建请求参数
                var req = {
                    address_id: $form.find('select[name=address_id]').val(),
                    amount: $form.find('input[name=amount]').val(),
                    sku_id: $('label.active input[name=skus]').val()
                };

                // 调用众筹商品下单接口
                axios.post('{{ route("crowdfunding_orders.store") }}', req)
                .then(function (response) {
                    // 订单创建成功，跳转到订单详情页
                    swal('提交订单成功', '', 'success')
                    .then(() => {
                        location.href = '/orders/' + response.data.id
                    });
                }, function (error) {
                    // 输入参数校验失败，展示失败原因
                    if (error.response.status === 422) {
                        var html = '<div>';
                        _.each(error.response.data.errors, function (errors) {
                            _.each(errors, function (error) {
                                html += error + '</br>';
                            });
                        });

                        html += '</div>';
                        swal({content: $(html)[0], icon: 'error'});
                    } else if (error.response.status === 403) {
                        swal(error.response.data.msg, '', 'error');
                    } else {
                        swal('系统错误', '', 'error');
                    }
                });
            });
        });
  });
</script>
@endsection